Registering mechanism.



REGISTERING MECHANISM. APPLICATION nun JULY 16, 1907.

4 SHEETS-SHEET 1.

R ..II N H a g N N l a fiedPS Veils a M 5]wvcwiboz QXMI/{IYEQO'OGO 51Hanna n n I No. 888,667. PATENTED MAY 26, 1 908.

F..P.STEVENS.

REGISTERING MECHANISM.

PPLIGATION I'ILED JU Y 8, 19 7. A L 1 0 4 SHEETS-SHEET 2 y w/ M a Q g gI I fi' 'l 3 9 E w: M. s i: i; ll "G H I I I I I I l 4! l I I No.888,667. PATENTED MAY 26, 1908.

' F. P. STEVENS.

REGISTERING MECHANISM.

APPLICATION FILED JULY 16, 190

7 4 SHEETS-SHEET 3.

No.888,667. PATENTED MAY 26, 1908. F. P. STEVENS. REGISTERING MECHANISM.

PP T 0 I J 1 A LIOA I N ILED ULY 6,1907 4 S S E 4 Hi ll aw/human when inoperative position.

UNITED STATES, PATENT- OFFICE.

FRED PARK STEVENS, OF DENVER, COLORADO, ASSIGNOR OF ONE-HALF TO JOHNARTHUR EDDY, OF DENVER, COLORADO.

RE GISTE RING ME CHANISM.

Specification of Letters Patent.

Application filed July 16, 1907.

Patented May 26, 1908.

Serial No. 384,022.

To all whom it may concern:

Be it known that I, FRED PARK STEVENS, a citizen of the United States,residing at Denver, in the city and county of Denver and State ofColorado, have invented a new and useful Registering Meclfanism, ofwhich the following is a specification.

This invention relates to means for registerlngthe number of prints madeby a photographic printing machine but embodies mechanism that is usefulfor other analogous purposes.

The primary object or the present inventlon is to provide novel means ofa simple and accurate character, whereby the number of prints and thenumber of dozens of prints made are registered, said mechanism beingassociated with operating means actuated by the printing mechanism.

The preferred embodiment of the invention is illustrated in theaccompanying drawings, wherein Figure 1 is a sectional view through aprintng machine, showing the registering mech- 18111 in elevation. Fig.2 is a horizontal sectional view through the machine, showing the saidregistering mechanism in bottom plan. Fig. 3 is a top plan view of theregister. Fig. 4 is a bottom plan view of the same, Fig. 5 is a sideelevation thereof. Fig. 6 is an end view, illustrating the operatmgmeans. Fig. 7 is a longitudinal sectional view through the mechanism.Fig. 8 is also a sectional view. Fig. 9 is a cross sectional viewillustrating the carrying mechanism view similar to Fig. 9, butillustrating the carrying mechanism when in an inoperative position.Fig. 11. is a detail cross sectional view showing the locator andlocator teeth.

Similar reference numerals designate corresponding parts in all thefigures of the drawings.

In the embodiment illustrated, the mechanism is employed in connectionwith a photographic printing machine that constitutes the subject-matterof another co-pending application, Serial No. 383,984. No extendeddescription of the machine is believed to be necessary. Suflice it tostate that it includes a negative support or holder 12, beneath whichoperates a shutter composed of oppositely swinging sections 13. Theseshutter sections are mounted on rock shafts 14. Automatic mechanism,designated as a Fig. 10 is a whole by the reference numeral 15, isprovided for effecting the opening and closing movements of the shutter,and the speed of said operating mechanism, which determines the lengthof the exposure, is controlled by means of a rotary valve 16 mounted ina valve seat 17, which seat preferably constitutes an integral part of adial plate 18 mounted on the top of the machine. This dial plate isprovided with a scale 19, over which operates the pointer 20 fordetermining the position of the valve. The said dial plate constitutes asupport, and a cover for the registering mechanism, being provided withsight openings 21 and 22 through which the numbers of the number wheelshereinafter described, are successively displayed. Transparent material23, such as celluloid or the like, preferably extends across theopenings. In addition to the automatic mechanism for operating theshutter, manual means is also employed for actuating the same, and asdisclosed, particularly in Fig. 6, this means consists of a lever 24,fulcrumed between its ends on a bracket 25, that depends from the dialplate 18. The lower end of the lever is provided with a rack 26 thatmeshes with a pinion 27 carried by one of the shutter rock shafts 14.The other arm of the lever extends through a slot 28 in the dial plate18, and has a suitable knob 29. The mechanism thus far outlined is fullydisclosed in the co-pending application to which reference has alreadybeen made.

Depending from the under side of the dial plates 18 are spaced brackets30, in which is fixed a stationary shaft 31. Loosely journaled on thisshaft is a wheel 32 having numbers on its periphery, which are exposedthrough the sight opening 22. The said wheel is furthermore providedwith teeth 33 projecting from the edge of the rim. A sleeve 34 isjournaled on the shaft, and fixed to this sleeve is another number wheel35, the numbers of which are successively exposed throu'gh the sightopening 21 on the elevation of said Wheel. An actuating crank arm 36,pivoted on the shaft 31, contiguous to the wheel 35, is provided with asuitable dog 37 that coacts with ratchet teeth 38 formed in one marginof the edge of the wheel 35. The actuating arm 36 has a link connection38 with a crank disk 39 on one of the shutter rock shafts 14. It willthus be evident that every time the shutter is opened,

the arm 36 will be drawn downwardly, and the dog 37 will ride over oneof the teeth 38 of the wheel 35. hen the shutter closes, the said dog 37being moved upwardly, will effect a movement of the wheel 35. Thus everytime an exposure is made, the whe el 35 will be moved one increment, andconsequently the numbers on said wheel will be successively displayedthrough the opening 21. These numbers run from zero to twelve, and thewheel 32 is employed for registering the numbers of dozens. Consequentlyupon every rotation of the wheel 35, the wheel 32 must be rotated oneincrement. To effect the said movements of the wheel 32, a crank arm 39is fixed to the sleeve 34 and pivoted on said crank arm, is a dog 40that is movable into and out of coaction with the wheel 33 of said wheel32. A spring 41, mounted on the arm 39, bears against a projection 42,carried by the dog, and serves to normally hold said dog out of coactionwith the teeth. A pin 43 is, however, carried by the fixed shaft 31between the sleeve 34 and the wheel 32, and the free end of this pin isdisposed in the path of movement of the rear side of the dog asdisclosed in Fig. 9. It will thus be evident that upon each rotation ofthe wheel 35, and consequently of the sleeve 34, the dog 40 will becarried into engagement with the pin 43, and said pin will force the dogoutwardly so that it will engage one of the teeth of the wheel 32. Itwill remain in engagement with said tooth long enough to effecta'movement of the wheel 32 to sufficiently expose another number throughthe sight opening 22, but as soon as said dog passes out of engagementwith the pin 43, the spring 41 will react and carry the dog out ofcoactlon with the teeth. A locator spring 44, engaging between the teeth33 of the wheel 32 serves to hold said wheel against accidentalrotation, and another locator spring 45 engages in seats 46 formed thesleeve 34, and in like manner maintains the wheel 35 against accidentalmovement.

It is believed that the operation of the mechanism will be clearlyevident. Whenever the shutter opens, the actuating arm 36 will beelevated, causing the dog 37 to ride over one of the teeth 38 of thewheel 35. When said shutter closes, the dog 36 is again depressed,effecting the movement of the wheel and a corresponding movement of thearm 39. When said wheel has completed one revolution, which requirestwelve increments of movement, the wheel 32 is moved one increment. Thusan accurate account of the number of prints made is obtained. It oftenhappens, however that the shutter is opened manually, for instance forthe purpose of inspecting the negatives, and in any such case, it isdesirable that the registering mechanism be made inoperative. To securethis desired result, a sliding stop 47 is mounted on the dial plate 18in suitable keepers 48, and is movable across a portion of the slot 28or in other words into the path of movement of the actuating arm 29 ofthe lever 24. This stop thus prevents the full movement of the lever,and while permitting it to move the shutter to open position, preventsthe movement of the arm 36 su'lliciently to allow the dog 37 to rideover the tooth. With this stop 47 in operative position therefore theshutter can be opened and closed without effecting the actuation of theregistering mechanism.

From the foregoing, it, is thought that the construction, operation, andmany advantages of the herein described invention will be apparent tothose skilled in the art, without further description, and. it will beunder stood that various changes in the size, shape, proportion, andminor details of construction, may be resorted to without departing fromthe spirit or sacrificing any of the advantages of the invention. Forinstance in the embodiment disclosed, the number wheel 32 is providedwith twelve numerals, but it will be evident that any numbers may beemployed as desired.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

1. In mechanism of the character described, the combination with ashaft, of a number wheel rotatably mounted thereon, a sleeve journaledon the shaft at one side of the number wheel and having its adjacent endspaced therefrom, a crank arm carried by said adjacent end, anothernumber wheel fixed to the opposite end of the sleeve, means for rotatingthe second wheel and the sleeve, a dog carried by the crank arm andmovable into and out of coaction with the first wheel, means fornormally maintaining it out of such coaction, and a post secured to theshaft between the first wheel and the adjacent end of the sleeve andlocated in the path of movement of the dog to move the latter intocoaction with said wheel.

2. In mechanism of the character described, the combination with ashaft, of a number wheel rotatably mounted thereon, a sleeve journaled011 the shaft at one side of the number wheel and having its adjacentend spaced therefrom, a dog connected to the adjacent end of the sleeveand movable into and out of coaction with the first wheel, means fornormally maintaining it out of such coaction, a post secured to theshaft between the first wheel and the adjacent end of the sleeve andlocated in the path of movement of the dog, to move the latter intocoaction with said wheel, said sleeve having an annular series of teethbetween the dog and the second wheel, and a locator that engages theteeth.

3. In mechanism of the character described, the combination with ashaft, of a wheel loosely j ournaled thereon and having a rim providedon one edge with spaced teeth, of a sleeve journaled on the shaft andhaving one end spaced from the wheel, a secondwheel fixed to the sleeve,means for rotating the second wheel to rotate the sleeve, a crank armcarried by the end of the sleeve that is adjacent to the first wheel, adog mounted on the crank arm and yieldingly maintained out of coactionwith the path of the wheel, a post fixed to the shaft between the firstwheel and the adjacent end of the sleeve, said post having its outer enddisposed in the path of movement of the dog to carry the same intocoaction with the teeth of the first wheel, said sleeve having anannular series of teeth disposed between the crank arm and the secondwheel, and a spring locator that engages the teeth.

In testimony, that I claim the foregoing as my own, I have heretoaffixed my signature in the presence of two Witnesses.

FRED PARK STEVENS.

WVitnesses:

C. G. NORTHUP, H. B. TELLER.

